Pāṇini sūtras

e is optionally substituted for the a and ā of the seven roots phaṇ, rāj, bhrāj, bhrāś, bhlāś, syam and svan; and the reduplicate is elided thereby, before the affixes of the Perfect having an indicatory k (or ṅ) as well as before the tha with the iṭ augment.

German Desgleichen bei den sieben mit phaṇ beginnenden Wurzeln. (125)

1. phaṇāmफणाम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	phaṇफण्	phaṇāmफणाम्	phaṇफण्	phaṇफण् + plus āmआम्

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

3. saptānāmसप्तानाम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saptanसप्तन्	saptānāmसप्तानाम्	seven	saptसप्त् + plus ānआन्

Anuvṛtti

1. bhātभात् 6·4·22

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhaभ	bhātभात्	bhaभ	bhभ् + plus ātआत्

2. k+ṅ+itiक्+ङ्+इति 6·4·98

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kक्	kक्	kakāraककार	kक्
   ṅङ्	ṅङ्	ṅङ्	ṅakāraङकार	ṅङ्
   iइ	itइत्	itiइति	itइत्	itइत् + plus iइ

3. caच 6·4·119

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	and	caच

4. liṭiलिटि 6·4·120

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   lल्	liṭलिट्	liṭiलिटि	perfect ending	liṭलिट् + plus iइ

5. sa+iṭiस+इटि 6·4·121

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saस	saस	with	saस
   iइ	iṭइट्	iṭiइटि	iṭइट्	iṭइट् + plus iइ

6. vāवा 6·4·124

   Part	Lexeme	Sandhi form	Meaning	Stem
   vव्	vāवा	vāवा	optionally	vāवा